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公开(公告)号:CA511883A
公开(公告)日:1955-04-12
申请号:CA511883D
Applicant: SHELL DEV
Inventor: SOUDERS MOTT JR , FRENCH FREDERIC A , PIEROTTI GINO J
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公开(公告)号:CA511883A
公开(公告)日:1955-04-12
申请号:CA511883D
Applicant: SHELL DEV
Inventor: SOUDERS MOTT JR , FRENCH FREDERIC A , PIEROTTI GINO J